//
//  B.h
//  Memory3
//
//  Created by cora1n on 14-8-11.
//  Copyright (c) 2014年 devwu. All rights reserved.
//

#import <Foundation/Foundation.h>
@class A;
@interface B : NSObject
{
    A *_a;
}
-(void)setA:(A*)a;
-(A*)a;
@end
